1-8 x 8in UNC Grade 8 Hex Cap Screw Yellow Zinc Measurement System_Metric 3/8" and 1/2" diameters with

3/8" and 1/2" diameters with a fine thread

This standard kit is a staple in any repair or construction shop

Commonly referred to as an Allen Bolt

Dual flute construction drills clean accurate holes in thin materials

this bolt's Proof Load is 120

1-8 x 8in UNC Grade 8 Hex Cap Screw Yellow Zinc Measurement System_Metric 3/8" and 1/2" diameters withMade from medium carbon steel, Grade 8 cap screws have a greater tensile strength than Grade 5. Designed for use in high stress applications, these bolts shall be heat treated, oil quenched, and tempered at a minimum tempering temperature of 800 degrees (F). With thread extending 2 1 2" up the shaft, this bolt's Proof Load is 120,000 PSI with a minimum Yield Strength of 130,000 PSI and Tensile Strength of 150,000 PSI. HHCS1X8C8Y